[] the act of saying that you want to join sth, receive sth, etc. by adding your name to a list 报名参加；同意接收◆Go to our sign-up page to subscribe to this service. 进入我们的注册页面订购此项服务。◆a sign-up fee 注册费
[] a person who adds their name to a list in order to join sth, receive sth, etc. 报名参加者；同意接收者◆new sign-ups for digital TV 新近注册的数字电视用户